//
//  UIViewController+BackButtonHandler.h
//  就到
//
//  Created by MT on 2018/2/26.
//  Copyright © 2018年 MT. All rights reserved.
//

#import <UIKit/UIKit.h>
@protocol BackButtonHandlerProtocol <NSObject>

@optional
// Override this method in UIViewController derived class to handle 'Back' button click
-(BOOL)navigationShouldPopOnBackButton;

@end

@interface UIViewController (BackButtonHandler) <BackButtonHandlerProtocol>

@end
